KR101598866B1 - Vehicle lifter - Google Patents

Abstract

The present invention relates to a lifter for a vehicle, comprising a first support for supporting a lower side of a vehicle, a second support for supporting a ground, and a second support for connecting the first support and the second support to each other, An expanding unit having a connecting portion for expanding the distance between the first supporting portion and the second supporting portion so that the distance between the first supporting portion and the second supporting portion is increased; And a connection unit for interconnecting the side surfaces of the plurality of expansion units.

Description

 {VEHICLE LIFTER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifter for a vehicle, and more particularly, to a lifter for a vehicle which is easy to install regardless of various road surface conditions or vehicle positions, and is maintained in a stable installation state.

BACKGROUND ART A vehicle lifter is a mechanism for vertically lifting a vehicle body using gears, screws, or hydraulic pressure, and is usually provided in a trunk of a vehicle for replacing a tire of a vehicle or for repairing and checking a lower portion of the vehicle.

In addition, in comparison with a general mechanical lifter, a method is also available in which a motor dedicated to a lift device using a vehicle power source is provided for more convenient use by the user, and the lift device can be automatically operated using the power of the motor.

Such a method using a motor can seek convenience when a vehicle such as a tire puncture is required to be searched. Also, since the operation rod is not used manually to turn the screw shaft, it is difficult to lift the vehicle when the user is a woman or an elderly person It has the advantage of reducing the waste of power and time.

However, such conventional lifters for automobiles have a problem in that, in a condition where the road surface is uneven, such as a rugged road surface that is not planarized, a section where a steep incline of an uphill or downhill section starts, There is a problem that it is difficult to install in a space of the apparatus.

In other words, when the lifter is installed on a rough road surface that is not planarized, since the lower end surface of the lifter necessarily forms a small contact surface with the ground, the lifter may flow during lifting the automobile while the lifter is unstably installed, There is a problem in that a user who operates the apparatus may be accidentally operated.

When the vehicle body and the road surface are not parallel to each other, one of the lower end and the upper end of the lifter must form a small contact surface with the ground or the lower portion of the vehicle There is a problem that the lifter is unstably installed as in the case where the lifter is installed on a road surface that is not planarized, and the lifter is caused to flow in the process of lifting the vehicle.

Further, when the vehicle is located on the upper side of the protruding portion such as the overspeed preventing jaw, there is a disadvantage that the space between the ground and the lower side of the vehicle is narrow and the lifter is not installed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a lifter for a vehicle which is easy to install and maintains a stable installation state regardless of various road surface conditions or vehicle positions.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. There will be.

The vehicle lifter according to the present invention, which is devised to solve the technical problem, comprises a first support portion for supporting a lower side of a vehicle, a second support portion for supporting a ground, and a second support portion for interconnecting the first support portion and the second support portion, And an expansion unit having a connection portion that expands when the fluid is supplied to the hermetically sealed space and thereby increases a distance between the first support portion and the second support portion, and a connection unit that interconnects the sides of the plurality of expansion units.

Here, the connection unit may be formed to allow fluid to be introduced into or discharged from the closed space formed therein.

At this time, the connection unit may be formed such that the closed space communicates with the closed space of the expansion unit connection part, and the fluid supplied to the expansion unit flows together into the closed space.

Meanwhile, the connection unit may be detachably connected to a side surface of the expansion unit.

Here, when the expansion unit and the connection unit are connected, the closed space of the expansion unit connection part and the closed space formed in the connection unit are formed to communicate with each other and can be connected to each other by the highly hermetic connection member.

In addition, the connection unit may have a separate closed space that is not communicated with the closed space, and may include a separate fluid supply unit.

Meanwhile, the connection unit may be configured to temporarily store a tool used by an operator on the connection unit in a state where the connection unit is connected to the expansion unit.

The inflating unit may be configured to temporarily store a tool used by a worker on a side of the inflating unit in a state in which fluid is supplied to the connecting unit and inflated.

The expansion unit may include a first protection member coupled to the outside of the first support member to prevent damage to the first support member and a second protection member coupled to the outside of the second support member to prevent damage to the second support member, .

The expansion unit may include an inlet formed at one side of the connection part and a discharge port provided at the other side of the connection part to discharge the fluid to the outside of the connection part so that the fluid flows into the connection part.

In this case, the expansion unit may further include a pressure vessel connected to the inlet to supply fluid into the connection unit.

Meanwhile, the connection unit and the expansion unit may be formed of a coated fabric having a synthetic resin or rubber-based coating on the fiber cloth.

According to the vehicle lifter of the present invention, it is possible to easily install the lifter for a vehicle regardless of various road surface conditions or the position of the vehicle, can do.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a view showing an embodiment of a lifter for a vehicle according to the present invention.
2 is a view showing a sectional structure of a vehicle lifter according to the present invention.
3 is a view showing a state in which an inflating unit and a connecting unit of a vehicle lifter according to the present invention are formed independently.
4 is a view showing a state in which a closed space and a closed space of a vehicle lifter according to the present invention are selectively formed to communicate with each other.
FIG. 5 is a view showing a state in which an expansion unit or a connection unit of a vehicle lifter according to the present invention is formed so as to temporarily store a tool used by an operator.
6 is a view showing a modified example of the automotive lifter inflator unit according to the present invention.
Fig. 7 is a view showing the structure of the expansion unit variant of Fig. 6;
8 is a view showing a state in which a vehicle lifter according to the present invention is installed at a lower portion of a vehicle.
9 is a view showing a state in which the vehicle is lifted by supplying fluid to the vehicle lifter according to the present invention in the state of FIG.
10 is a view showing a state in which the vehicle lifter according to the present invention lifts the vehicle in a state where the vehicle and the ground are not parallel to each other.
11 is a view showing a state in which the vehicle lifter according to the present invention is applied in the longitudinal direction of the vehicle.
12 is a view showing a state in which the vehicle lifter according to the present invention is applied in the lateral direction of the vehicle.
13 is a view showing a state in which the vehicle is lifted as a whole by using the vehicle lifter according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.

Moreover, in describing the present invention, terms indicating directions such as forward, backward, and upward / downward directions are described so that those skilled in the art can clearly understand the present invention, and the directions indicate relative directions, It is not limited.

First, the construction of one embodiment of a vehicle lifter according to the present invention will be described in detail with reference to FIGS. 1 to 7. FIG.

2 is a sectional view of a vehicle lifter according to the present invention. FIG. 3 is a cross-sectional view of a vehicle lifter according to an embodiment of the present invention. FIG. 4 is a view showing a state in which a closed space and a closed space of a vehicle lifter according to the present invention are formed so as to communicate with each other. FIG.

5 is a view showing a state in which an expansion unit or a connecting unit of a vehicle lifter according to the present invention is formed so as to temporarily store a tool used by an operator, and Fig. 6 is a modification of the vehicle lifter inflating unit Fig. 7 is a view showing the structure of the expansion unit modification of Fig. 6; Fig.

1 to 4, an embodiment of a vehicle lifter according to the present invention may include an expansion unit 10 and a connection unit 70. [

The expansion unit 10 is formed in a substantially tubular shape and forms a shape against the external pressure due to the pressure of the fluid flowing into the closed space. The synthetic resin or rubber is coated on the outer surface of the fiber cloth, And is provided as a coated fabric. Coated fabric is a kind of fiber cloth formed with synthetic resin or rubber coating layer (C) in order to complement the strength, weatherability, fire resistance and waterproofness of fiber cloth.

2, the expansion unit 10 includes a first coating fiber cloth F1 in which a synthetic resin or a rubber-based coating layer C is formed on the first fiber cloth T1, A second coated fiber cloth F2 formed by forming a synthetic resin or rubber coating layer C on the second fiber cloth T2 spaced apart from the fiber cloth F1, And a third fiber cloth T3 connecting the two fiber cloths T2 to each other.

When the first coated fiber cloth F1 is connected to the second coated fiber cloth F2 by the third fiber cloth T3, the first coated fiber cloth F1 is applied to the first coated fiber cloth F1 by the load of the vehicle body at the time of lifting of the vehicle The stress is dispersed to the second coated fiber cloth F2 through the third fiber cloth T3, so that it is possible to sustain a larger load such as a truck.

The expansion unit 10 may include a first support portion 11, a second support portion 12, and a connection portion 13.

The first support portion 11 is formed to be wide to support the lower side of the vehicle 2 and forms the upper surface of the expansion unit 10 and the second support portion 12 is provided broadly to support the ground surface, And the connecting portion 13 connects the first supporting portion 11 and the second supporting portion 12 to each other and connects the first supporting portion 11 and the second supporting portion 12 together with the inside of the expansion unit 10 Thereby forming a closed space into which the fluid flows.

That is, the first support portion 11 and the second support portion 12 are formed to have a substantially flat surface to support the frame and the ground of the vehicle 2, respectively, and the connection portion 13 has an inner hermetically sealed space The distance between the first support portion 11 and the second support portion 12 is increased by the distance between the first support portion 11 and the second support portion 12,

In addition, the expansion unit 10 may further include a connector 20, which is an inlet and an outlet through which the fluid is introduced into or discharged from the sealed space.

The connection port 20 is provided at one side of the connection portion 13 and has an inlet 21 through which a tube or the like is connected from the outside to the inside of the expansion unit 10 and an inlet 21 provided at the other side of the connection portion 13, And a discharge port 22 for discharging the fluid when the use of the fluid is completed.

Although not shown in the drawings, the inlet 21 and the outlet 22 are provided with a stopper for blocking external foreign substances during storage and preventing discharge of the fluid during use, An intermittent valve for interrupting the discharge can be provided.

In addition, the expansion unit 10 can form various areas of the first support portion 11 and the second support portion 12 within a range that can be installed between the front wheel and the rear wheel of the vehicle.

The expansion unit 10 may have various shapes such as a square pillar, a cylinder, a triangular column, or a quadrangular pyramid. Depending on the type of automobile to be used, the area of the first support portion 11 and the second support portion 12 It is of course possible to form the connection portion 13 in various heights.

When the area of the first support portion 11 and the second support portion 12 is increased, the bulky portion of the expansion unit 10 supporting the weight of the vehicle body is increased in weight, so that it can support a heavier weight. Therefore, applications such as compact cars, medium cars, large cars, It is possible to manufacture the first support portion 11, the second support portion 12, and the connection portion 13 in various lengths according to the desired vehicle.

Also, as described above, when the first support portion 11 and the second support portion 12 have a relatively large area, they can also be used for the purpose of allowing the vehicle to escape from the dirt pit when the wheels of the vehicle fall into the dirt pit Etc. may also be used without limitation.

That is, when the wheels of the vehicle fall into a dirt pit, if the expansion unit 10 having the first support part 11 and the second support part 12 formed longer than a certain length is disposed between the wheel and the ground of the vehicle, So that the vehicle can be pulled out of the dirt pit.

On the other hand, the connection unit 70 is a component interconnecting a plurality of the aforementioned side surfaces of the expansion unit 10 described above.

1 and 2, the connection unit 70 may be configured to be coupled to the connection portion 13 which is the side surface of the expansion unit 10 so as to connect the plurality of expansion units 10.

At this time, a hole in which a part of the connection part 13 is connected is formed at one side of the connection part 13, and the structure of the connection unit 70 surrounding the hole is extended to form another separate expansion unit 10 And a hole formed in the connection portion 13 is connected.

That is, the closed space formed inside the expansion unit 10 and the closed space formed inside the connection unit 70 are formed to be connected to each other so that the expansion unit 10 is connected to the expansion unit 10 through the inlet 21, The fluid supplied into the closed space inside the connection unit 70 can be introduced together into the closed space inside the connection unit 70.

The connection unit 70, like the expansion unit 10 described above, is formed in a substantially tubular shape and forms a shape against external pressure due to the pressure of the fluid flowing into the closed space inside, The rubber system is provided with a coated fabric coated on the outer surface of the fabric. Coated fabric is a kind of fiber cloth formed with synthetic resin or rubber coating layer (C) in order to complement the strength, weatherability, fire resistance and waterproofness of fiber cloth.

2, the connection unit 70 includes a first coating fiber cloth F1 having a synthetic resin or a rubber-based coating layer C formed on the first fiber cloth T1, A second coated fiber cloth F2 formed by forming a synthetic resin or rubber coating layer C on the second fiber cloth T2 spaced apart from the cloth F1 and a second coated fiber cloth F2 having a first fiber cloth T1 and a second And a third fiber cloth T3 connecting the fiber cloths T2 to each other.

3, the connection unit 70 is formed so that the closed space of the above-described expansion unit 10 and the closed space of the connection unit 70 are not communicated with each other, and simply the side of the expansion unit 10 To connect the plurality of expansion units 10 to each other.

In this case, the connection unit 70 can engage with the expansion unit 10 via a separate fixing member 80, such as a Velcro 81.

In addition, the shape and configuration of the fixing member 80 are not limited as long as the fixing member 80 is provided for coupling the connection unit 70 and the expansion unit 10 such as a tape or a zipper.

Further, in this case, it is advantageous that the connecting unit 70 further includes a separate inlet and outlet (not shown) which can supply or remove fluid from the closed space inside the connecting unit 70.

4, the connection unit 70 is detachably connected to the above-described expansion unit 10, and does not include an inlet for supplying a separate fluid, May be provided together.

In this case, the fixing member 80 includes a fixing member 80 for fixing and coupling the expansion unit 10 and the connection unit 70. At this time, the fixing member 80 is provided with a sealing member having good hermeticity such as a waterproof zipper 82 It is advantageous to fix the expansion unit 10 and the connection unit 70 with each other.

Of course, the shape and the configuration of the fixing member 80 are not limited and can be variously varied if they are provided so as to connect the expansion unit 10 and the connection unit 70 with high airtightness so that the fluid inside them, for example, can do.

The expansion unit 10 further includes a valve 90 that can selectively control the movement of fluid at a portion connected to the connection unit 70 so that the fluid supplied to the confined space of the expansion unit 10 To the closed space of the connection unit (70).

3 and 4, since the expansion unit 10 and the connection unit 70 can be attached and detached, only the expansion unit 10 is used or a plurality of expansion units 10 May be connected to the connection unit 70 to be used in various applications.

Meanwhile, as shown in FIG. 5, the lifter according to the present invention may be formed so that the expansion unit or the connection unit can temporarily store a tool used by an operator.

In this embodiment, the side of the expansion unit 10 is formed in the inside of the expansion unit 10 in a finely shaped manner, so that a space can be secured in which the tool used by the operator can be temporarily placed in the recessed groove.

Alternatively, a portion of the upper portion of the connection unit 70 may be formed to have a flat area, so that the tool used by the operator may be temporarily stored.

Such a configuration is applicable to various methods such as providing a ring that can temporarily hang the tool, and the form and configuration thereof may be various without limitation.

6 and 7, the expansion unit 10 according to another embodiment of the present invention includes a first support portion 11 and a second support portion 12, The protector 40 can be coupled. The first protection portion 30 is coupled to the outside of the first support portion 11 to prevent the first support portion 11 from being damaged and the second protection portion 40 is coupled to the outside of the second support portion 12, Thereby preventing the support 12 from being damaged.

The first protection portion 30 has an area equal to or larger than the area of the first support portion 11 to protect the entire area of the first support portion 11 and the second protection portion 40 also has an area equal to or larger than the area of the second support portion 12 The area of the second support 12 is equal to or larger than the area of the second support 12.

The first protection portion 30 and the second protection portion 40 support the lower side of the vehicle in a state in which the contact surfaces of the first support portion 11 and the second support portion 12 are formed, The first support portion 11 and the second support portion 12 are prevented from being partially deformed, so that even if the same fluid is introduced, the vehicle body can be lifted higher, and the load of the vehicle body can be increased over the entire area of the expansion unit 10. [ So that the vehicle lifter according to the present invention can support a vehicle with a larger load.

The first protection portion 30 and the second protection portion 40 are made of leather, fabric, wood, or metal, which is formed in a lattice pattern. If the first protection portion 30 and the second protection portion 40 are formed in a lattice shape, even if there is a protruding piece or foreign matter on the ground or the lower side of the vehicle, the protrusions or foreign matter can be installed in a state of being positioned between the lattices, There is an advantage that this unused ground can be used easily.

Further, the protruding pieces or foreign substances located between the gratings serve to prevent the slip of the vehicle lifter according to the present invention, so that the vehicle lifter can be installed in a more rigid structure.

The combination of the protector and the support is as follows. That is, at least two first engaging portions 31 are provided on the rim of the first protection member 30, two or more second engaging portions 41 are provided on the rim of the second protection member 40, At least two wings (W) are provided at the edges of the support part (11) and the second support part (12). Threaded holes are formed in the first engaging portion 31 and the second engaging portion 41, and through holes are formed in the wing portions W to be bolted together.

6, the automotive lifter of the present invention may further comprise a portable pressure vessel 60 connected to the inlet 21 for fluid inflow into the expansion unit 10 and the connection unit 70 have.

When the portable pressure vessel 60 is provided in the vehicle lifter according to the present invention, there is an effect that the vehicle lifter can be used regardless of the place, even if it is not visited at a vehicle repair shop or the like where pressure fluid is provided. The portable pressure vessel 60 is advantageously provided with an intermittent valve (not shown) for interrupting the inflow amount of the fluid.

The portable pressure vessel 60 is coupled to the expansion unit 10 to supply the fluid through the inlet 21 formed in the expansion unit. However, when the portable pressure vessel 60 is connected to the connection unit 70 The shape or configuration of the portable pressure vessel 60 may be varied without limitation as long as it is provided to supply a high-pressure fluid to the lifter of the vehicle or the like, which is supplied through an inlet (not shown) formed in the connection unit 70.

As the portable pressure vessel 60 is coupled to the connection portion 13, the lifter can be quickly moved and installed, and the vehicle lifter according to the present invention can be used for the purpose of rescuing a person who has fallen into the water.

That is, when the person falls into the water, the lifter of the vehicle is removed from the trunk of the vehicle, and the valve of the portable pressure vessel 60 is opened. When the lifter is thrown against the person in the water, And the like.

That is, according to the above-described construction, the first support portion 11 is provided to be wide to support the lower side of the automobile, the second support portion 12 spaced apart from the first support portion 11 and wide to support the ground, An expansion unit 10 having a hermetically sealed space and a connection part 13 connecting the first support part 11 and the second support part 12 to each other and a plurality of A plurality of expansion units 10 are connected to each other and a connection unit 70 having a closed space formed therein is provided so that a rugged road surface which is not planarized or an area where a steep incline of an uphill or downhill road starts or a vehicle It is possible to provide a lifter for a vehicle which is easy to install even under a condition where the ground is not flat and can maintain a stable installation state.

Next, referring to Figs. 8 to 13, the use of an embodiment of a vehicle lifter according to the present invention will be described in detail.

8 is a view showing a state in which the vehicle lifter according to the present invention is installed in a lower portion of the vehicle, and Fig. 9 is a view showing a state in which the vehicle is lifted by supplying fluid to the lifter according to the present invention in Fig. 10 is a view showing a state in which a vehicle lifter according to the present invention lifts a vehicle in a state where the vehicle and the ground are not parallel to each other.

11 is a view showing a state in which the vehicle lifter according to the present invention is applied in the longitudinal direction of the vehicle, FIG. 12 is a view showing a state in which the vehicle lifter according to the present invention is applied in the lateral direction of the vehicle, Is a view showing a state in which the vehicle is lifted as a whole by using the vehicle lifter according to the present invention.

As shown in Figs. 8 and 9, when the tire of the vehicle 2 lacks air pressure or a problem arises in the vehicle 2, (2).

Thereafter, when the fluid is injected into the inside of the vehicle lifter, there is an effect that the inflating unit 10 and the connecting unit 70 of the vehicle lifter according to the present invention can expand and lift the vehicle 2.

Such a lifter for a vehicle can be usually provided inside the vehicle or the like, and when stored, the closed space of the expansion unit 10 and the closed space of the connection unit 70 are kept in a minimized form. That is, at least one of the first supporting portion 11, the second supporting portion 12, the connecting portion 13, and the connecting unit 70 is stored in a folded or wrinkled state, thereby minimizing the space accommodated in the trunk.

8 and 10, when the expansion unit 10 is used, the connection portion 13 is folded inward or outward so that the interval between the first support portion 11 and the second support portion 12 can be minimized, There is an effect that it can be easily installed even in a narrow space where a conventional vehicle lift can not be installed because there is a protruding part such as a speed limiter on the ground as well as a general situation like a case where the wind of the vehicle is missing.

This process is easier than conventional lifters that are complicated to install and operate, so that anyone can easily and easily install and use the device.

10, when an inclined angle is formed between the wheel of the vehicle 2 and the road surface, the fluid flows into the internal hermetically closed space, The first supporting portion 11 and the second supporting portion 12 form a wider surface on the ground surface and the lower portion of the vehicle 2 and wrinkles are formed only on one side of the connecting portion 13 by the inclination angle of the road surface, 2 can be firmly supported in a stable state.

On the other hand, the vehicle lifter according to the present invention can support the vehicle 2 in various ways depending on the necessity of the user.

11 to 13, the vehicle lifter according to the present invention is applied in the longitudinal direction of the vehicle 2 so as to support the vehicle 2, or the vehicle lifter according to the present invention can be mounted on the side of the vehicle 2 And the vehicle 2 can be supported and used as a whole through a structure in which a plurality of expansion units 10 are connected to each other in a complex manner by using the connection unit 70. [

At this time, when the connection unit 70 of the structure of the vehicle lifter according to the present invention is detachably connected to the expansion unit 10, the vehicle 2 can be more variously configured and more efficiently supported It is also possible to use it.

Through all of the above-described configurations, it is possible to use a vehicle lifter that is relatively easy and simple for anyone to easily install and maintain a stable installation state regardless of various road surface situations or vehicle positions.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is self-evident to those of ordinary skill in the art. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.

10: Expansion unit
11: first support part 12: second support part
13: Connection
20: Connector
30: 1st protection
40: Second protection
60: Pressure vessel
70: connecting unit

Claims (12)

A first support portion for supporting the lower side of the vehicle; a second support portion for supporting the ground; and a second support portion for connecting the first support portion and the second support portion, An expansion unit having a connecting portion for increasing a distance between the first and second support portions; And
A connecting unit interconnecting the sides of the plurality of expansion units; ≪ / RTI >
The expansion unit may include a first coating fiber cloth made of a synthetic resin or a rubber based coating on the first fiber cloth, a second coated fiber cloth spaced apart from the first coating fiber cloth and coated with synthetic resin or rubber on the second fiber cloth, And a third fiber cloth that connects the first fiber cloth and the second fiber cloth facing each other to each other so that the stress applied to the expansion unit is dispersed by the load of the vehicle body when the vehicle is lifted.
The method according to claim 1,
The connecting unit includes:
And a fluid is introduced or discharged into the closed space formed in the inside of the lifter.
3. The method of claim 2,
The connecting unit includes:
And the closed space is communicated with the closed space of the expansion unit connection portion, so that the fluid supplied to the expansion unit is formed to flow together into the closed space.
The method according to claim 1,
The connecting unit includes:
And the lifting unit is detachably connected to a side surface of the expansion unit.
5. The method of claim 4,
Wherein when the expansion unit and the connection unit are connected to each other, a closed space of the expansion unit connection part and a closed space formed in the connection unit are formed to communicate with each other and are connected to each other by a connection member, Lifter for vehicles.
5. The method of claim 4,
The connecting unit includes:
And a separate closed space not communicated with the closed space is formed and includes a separate fluid supply portion.
The method according to claim 1,
The connecting unit includes:
And a tool for use by an operator is temporarily stored in an upper portion of the connection unit in a state of being connected to the expansion unit.
The method according to claim 1,
The expansion unit includes:
And a tool used by a worker is temporarily stored on a side surface of the expansion unit in a state in which the fluid is supplied to the connection unit and expanded.
The method according to claim 1,
The expansion unit includes:
A first protection member coupled to the outside of the first support member to prevent damage to the first support member and a second protection member coupled to the outside of the second support member to prevent damage to the second support member. Lifter for vehicles.
The method according to claim 1,
The expansion unit includes:
And an outlet formed on the other side of the connection portion for discharging the fluid to the outside of the connection portion. 2. The lifter of claim 1, further comprising:
11. The method of claim 10,
The expansion unit includes:
And a pressure vessel connected to the inlet so as to supply fluid into the inside of the connection portion.
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